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Centrarchiformes (Basses) >
Centrarchidae (Sunfishes)
Etymology: Pomoxis: Greek, poma, -atos = cover, operculum + Greek, oxys = sharp (Ref. 45335); annularis: annularis--having rings, referring to the bars on the body (Ref. 10294).
More on author: Rafinesque.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Temperate; ? - 31°C (Ref. 12741); 40°N - 35°N
North America: Great Lakes, Hudson Bay and Mississippi River basins from New York, USA and from Ontario, Canada west to Minnesota and South Dakota and south to the Gulf of Mexico in the USA; Gulf drainages from Mobile Bay in Georgia and Alabama to Nueces River in Texas, USA.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 53.0 cm TL mâle / non sexé; (Ref. 5723); common length : 25.0 cm TL mâle / non sexé; (Ref. 12193); poids max. publié: 2.4 kg (Ref. 4699); âge max. reporté: 10 années (Ref. 12193)
Occurs in sand-bottomed and mud-bottomed pools and backwaters of creeks and small to large rivers, and lakes and ponds. Often found in turbid water (Ref. 5723, 10294). Adult feeds on forage fishes such as shad (Ref. 10294). Younger crappie consumes small invertebrates, including microcrustaceans and small insects (Ref. 10294).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Deposits eggs in a variety of aquatic plants.
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêche sportive: oui
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00873 - 0.01199), b=3.09 (3.04 - 3.14), in cm total length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Ref.
69278): 4.4 ±0.6 se; based on diet studies.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Assuming tm=2-4; Fec up to 140,000).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
